================================================================================
UBSAN: Undefined behaviour in ./include/net/red.h:272:18
shift exponent 234 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 5447 Comm: syz-executor.3 Not tainted 4.19.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x22c/0x33e lib/dump_stack.c:118
ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
__ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
red_calc_qavg_from_idle_time include/net/red.h:272 [inline]
red_adaptative_algo include/net/red.h:404 [inline]
red_adaptative_timer+0x7ed/0x870 net/sched/sch_red.c:266
call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
expire_timers+0x243/0x500 kernel/time/timer.c:1375
__run_timers kernel/time/timer.c:1703 [inline]
run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
__do_softirq+0x27d/0xad2 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x22d/0x270 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: 04 0f 88 4c 89 25 fc 3a bc 0b 41 bc f4 ff ff ff e8 40 7b e9 ff 48 c7 05 e6 3a bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e 81 e2 00 01 1f 00
RSP: 0018:ffff88804dfe7758 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000003 RBX: 0000000000000002 RCX: ffffffff819d9072
RDX: 0000000000000000 RSI: ffffffff819d8af7 RDI: ffffea00021a9870
RBP: ffffea00021a9870 R08: 0000000000000000 R09: fffff9400043530e
R10: ffffea00021a9873 R11: 0000000000000001 R12: ffffea00021a9840
R13: 00007f8fb0371000 R14: dffffc0000000000 R15: ffffea00021a9848
zap_pte_range mm/memory.c:1339 [inline]
zap_pmd_range mm/memory.c:1440 [inline]
zap_pud_range mm/memory.c:1469 [inline]
zap_p4d_range mm/memory.c:1490 [inline]
unmap_page_range+0x1367/0x2ec0 mm/memory.c:1511
unmap_single_vma+0x198/0x300 mm/memory.c:1556
unmap_vmas+0xa9/0x180 mm/memory.c:1586
exit_mmap+0x2b9/0x530 mm/mmap.c:3091
__mmput kernel/fork.c:1015 [inline]
mmput+0x14e/0x4a0 kernel/fork.c:1036
exit_mm kernel/exit.c:546 [inline]
do_exit+0xb12/0x2d80 kernel/exit.c:874
do_group_exit+0x125/0x320 kernel/exit.c:990
get_signal+0x3f3/0x2270 kernel/signal.c:2588
do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821
exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e179
Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8fada1ccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118cf48 RCX: 000000000045e179
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf48
RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffdeb47c23f R14: 00007f8fada1d9c0 R15: 000000000118cf4c
================================================================================
kauditd_printk_skb: 6 callbacks suppressed
audit: type=1804 audit(1600916361.664:143028): pid=5471 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir409890537/syzkaller.D4jgzM/772/file1/file0" dev="sda1" ino=16637 res=1
audit: type=1804 audit(1600916361.734:143029): pid=5465 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir944263947/syzkaller.l6A5hW/558/file1/file0" dev="loop1" ino=1113 res=1
audit: type=1804 audit(1600916361.864:143030): pid=5486 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir943893735/syzkaller.TXVLUa/817/file1/file0" dev="loop4" ino=1114 res=1
audit: type=1804 audit(1600916362.184:143031): pid=5493 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir516336561/syzkaller.YCXPjn/879/file0" dev="sda1" ino=16371 res=1
audit: type=1804 audit(1600916362.665:143032): pid=5508 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir943893735/syzkaller.TXVLUa/818/file1/file0" dev="loop4" ino=1115 res=1
audit: type=1804 audit(1600916362.665:143033): pid=5503 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir516336561/syzkaller.YCXPjn/880/file1/file0" dev="loop5" ino=1116 res=1
audit: type=1804 audit(1600916363.135:143034): pid=5531 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir409890537/syzkaller.D4jgzM/773/file0" dev="sda1" ino=15888 res=1
audit: type=1804 audit(1600916363.255:143035): pid=5539 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir944263947/syzkaller.l6A5hW/559/file0" dev="sda1" ino=16369 res=1
audit: type=1804 audit(1600916363.435:143036): pid=5542 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir516336561/syzkaller.YCXPjn/881/file1/file0" dev="loop5" ino=1117 res=1
audit: type=1804 audit(1600916363.665:143037): pid=5552 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir943893735/syzkaller.TXVLUa/819/file1/file0" dev="loop4" ino=1118 res=1
FAT-fs (loop1): Unrecognized mount option "8OI4Kk6Mt.79WI㌌6B
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